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12 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Physical quantity
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A product of a number and a unit
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1u
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Fundamental Quantity
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A quantity from which others can be derived
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Magnetic field
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The region around a magnet where a magnetic force can be experienced
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Unit
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A specified measure of a physical quantity
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Work Done
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force x displacement
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Joules
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Force
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Mass x acceleration
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Potential Difference
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Work done per unit charge
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Volts
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Non linear scale
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If the marks on the scale are not evenly spaced
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Calibrating a scale
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The process of setting or checking the graduations on a scale of a measuring instrument by comparing it with a standard or some universally accepted reference
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Random error
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When measurements fluctuate about the true value
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Systematic error
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When values are consistently too high or low from the true value
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Parallax error
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The apparent motion of objects in front of the eye when the eye position changes
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